I ka ʻāina ʻenehana hou, ua lilo nā mea hānai screw, i ʻike ʻia he screw blade rotary conveyors, i mea waiwai nui i nā ʻoihana he nui e like me ke kemika, ka lāʻau lapaʻau, ka hoʻoili ʻana i ka meaʻai, a me ka metallurgy.Hāʻawi kēia mea hana pono i nā pono he nui e hāʻawi i ka ʻoihana wi ...
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